Triangle curling iron



FIG. 1 is a side view of the triangle curling iron, the side opposite being a mirror image thereof;

FIG. 2 is a top view of the triangle curling iron;

FIG. 3 is a front view of the triangle curling iron; and,

FIG. 4 is a rear view of the triangle curling iron.

The surface(s) or portion(s) of the article not shown in the drawing or described in the specification forms no part of the claimed design. 

The ornamental design for a triangle curling iron, as shown and described. 